PDC water well drilling bit
water well drilling bit 1.4 blades 2.Semi-finished 3.The latest product 4.Water well drilling
PDC water well drilling bit
1.This is our latest product.
2.It is suitable for water well drilling.
3.High quality and competitive price.
4.Profile with medium-heavy cutter density can obtain better ROP.
5.Special requirement for design can be met.
6. PDC water well drilling bit
7.Certified by ISO9001:2008
| Drill Parameters | |||
| Size | Hydraulic Flow Rate | Rotation Speed | Weight on Bit |
| Inch | gpm | rpm | lbs |
| 6" | 200~350 | 80~380 | 2,000~15,000 |
| 8 1/2" | 300~500 | 60~350 | 3,000~11,000 |
| 9 7/8" | 400~600 | 60~350 | 4,000~20,000 |
| 12 1/4" | 550~850 | 60~350 | 4,000~14,000 |
| 17 1/2" | 950~1,450 | 60~240 | 5,000~24,000 |
| Operating Parameters | |||||
| Size | Blades | Nozzles | Primary Cutter Size | Guge | API Pin Connection |
| Inch | mm | Inch | Inch | ||
| 6" | 3~6 | 4~7 | Φ13 | 1.5"~2.5" | 3 1/2" API Reg |
| 8 1/2" | 3~6 | 4~7 | Φ19 Φ16 Φ13 | 2"~3" | 4 1/2" API Reg |
| 8 3/8" | 3~6 | 4~7 | Φ19 Φ16 Φ13 | 2"~3" | 4 1/2" API Reg |
| 9 1/2" | 3~7 | 4~10 | Φ19 Φ16 Φ13 | 2"~3" | 6 5/8" API Reg |
| 9 7/8" | 3~7 | 4~10 | Φ19 Φ16 Φ13 | 2.5"~3.5" | 6 5/8" API Reg |
| 12 1/4" | 3~7 | 4~10 | Φ19 Φ16 Φ13 | 2.5"~3.5" | 6 5/8" API Reg |
| 17 1/2" | 3~7 | 4~10 | Φ19 Φ16 Φ13 | 3.5"~5.5" | 7 5/8" API Reg |
| Formation Guide | ||||
| Formation | IADC | Formation | Rock Type | Formation |
| Very soft | 1 | Ultra soft formations with low compressive strength and sticky layers | Gumbo, Clay, Marl | 1~2 |
| Soft | 2 | Soft formation with low strength and high drillability | Clay, Salt, Anhydrite, Shale | 2~3 |
| Soft to Medium | 3 | Soft to medium formations with low compressive strength | Sand, Shale, Chalk | 2~4 |
| Medium to Hard | 4~6 | Medium to hard formations with high compressive strength and low abrasiveness | Shale, Limestone, Mudstone,Sandstone | 3~5 |
| Hard | 7 | Hard and dense non-abrasive formations with high compressive strength | Shale, Limestone, Dolomite, Anhydrite | 4~6 |
| Hard,dense and abrasive formations with ultra-high compressive strength | Siltstone, Sandstone, Mudstone | 6~8 | ||
| Extremely Hard | 8 | Ultra hard and abrasive formations | Quartzite, Lgneous rock | ≥8 |
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PDC water well drilling bit
